Home / 126,199.92-189,295.74-51,297.96

Finding the Fourth Proportional to 126,199.92, 189,295.74 and 51,297.96

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Solution

The fourth proportional to 126,199.92, 189,295.74 and 51,297.96 is: 76,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,199.92 : 189,295.74 = 51,297.96 : x
  2. Step 2: Convert to fraction form
    126,199.92/189,295.74 = 51,297.96/x
  3. Step 3: Cross multiply
    126,199.92x = 189,295.74 × 51,297.96
  4. Step 4: Simplify right side
    126,199.92x = 9,710,485,298.69
  5. Step 5: Solve for x
    x = 9,710,485,298.69/126,199.92
  6. Step 6: Final answer
    x = 76,945.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.